Phenotypic shift from active class IV lupus nephritis to lupus podocytopathy: a case report highlighting the treatment-altering role of repeat kidney biopsy
Background The underlying pathophysiological mechanisms of proteinuria relapse in lupus nephritis (LN) patients during immunological remission are complex, often involving non-immune complex-mediated podocyte injury. Case presentation We report a 21-year-old male with class IV LN and thrombotic microangiopathy (TMA). A...